Miscellaneous other changes in 1921.
369 - Bale Press - 2 of 18 → 2 of 18A
413 - Jumping Jack - Moved to be on the same page as models 411 and 412
414 - Sulky and Driver - Moved to be on the same page as model 415
425 - Centrifugal Governer - Reformatted to fit two pages instead of three pages